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Table 1 Comparison of the difference between left and right joint translation coupling process

From: The effect of various weight-bearing activities on the motion of lumbar facet joints in vivo

Position

Level

Loads

Left side joint translation (mm)

Right side joint translation (mm)

X

Y

Z

X

Y

Z

FL-EX

L3/4

0 KG

0.86 ± 0.57

0.44 ± 0.49

1.8 ± 1.58

0.86 ± 0.59

0.86 ± 0.45

1.7 ± 1.16

5 KG

0.61 ± 0.33

0.49 ± 0.37

1.38 ± 1.02

0.6 ± 0.34

0.69 ± 0.51

1.07 ± 0.84

10 KG

0.24 ± 0.26

0.55 ± 0.38

1.92 ± 1.41*

0.26 ± 0.27

0.9 ± 0.78

1.19 ± 1.08*

L4/5

0 KG

0.71 ± 0.69

1.55 ± 0.83*

1.6 ± 1.14

0.71 ± 0.68

1.05 ± 0.42*

1.76 ± 1.27

5 KG

0.5 ± 0.34

0.64 ± 0.61

1.18 ± 1.03

0.49 ± 0.35

0.71 ± 0.73

1.26 ± 0.76

10 KG

0.62 ± 0.51

0.73 ± 0.45

1.42 ± 1.05

0.68 ± 0.5

1.01 ± 1.09

1.41 ± 1.14

L5/S

0 KG

0.85 ± 0.45

0.99 ± 0.95

2.05 ± 1.71

0.83 ± 0.44

0.99 ± 1.19

2.1 ± 1.75

5 KG

0.7 ± 0.5

0.85 ± 0.46

1.29 ± 1.07

0.71 ± 0.46

1.29 ± 0.78

1.54 ± 1.35

10 KG

0.47 ± 0.16

1.35 ± 0.72

1.79 ± 1.11

0.51 ± 0.18

1.36 ± 0.9

1.76 ± 1.54

LB-RB

L3/4

0 KG

0.75 ± 0.58

0.55 ± 0.32

1.81 ± 1.42

0.8 ± 0.57

0.64 ± 0.32

1.43 ± 1.15

5 KG

0.88 ± 1.03

0.99 ± 0.6*

1.64 ± 1.02*

0.69 ± 0.42

0.42 ± 0.33*

0.55 ± 0.65*

10 KG

0.41 ± 0.46

0.91 ± 0.58

1.02 ± 0.53

0.53 ± 0.45

0.76 ± 0.57

0.76 ± 0.78

L4/5

0 KG

0.68 ± 0.48

0.98 ± 0.6

0.83 ± 0.63

0.59 ± 0.43

0.64 ± 0.36

1.19 ± 0.78

5 KG

0.6 ± 0.46

0.5 ± 0.38

0.99 ± 0.77

0.56 ± 0.37

0.58 ± 0.43

1.23 ± 1

10 KG

0.69 ± 0.63

0.6 ± 0.48

1.38 ± 0.82

0.73 ± 0.67

0.55 ± 0.34

0.88 ± 0.49

L5/S

0 KG

0.64 ± 0.25

0.9 ± 0.51

1.24 ± 1.14

0.68 ± 0.23

1.09 ± 0.69

1.18 ± 1.12

5 KG

0.82 ± 0.79

0.89 ± 0.94

0.99 ± 0.75

0.75 ± 0.72

1.04 ± 0.65

1.13 ± 0.75

10 KG

1.27 ± 1.36

0.82 ± 0.56*

1.3 ± 0.99

1.3 ± 1.44

1.89 ± 1.34*

1.47 ± 0.75

LT-RT

L3/4

0 KG

0.63 ± 0.44

0.41 ± 0.27

1.07 ± 0.75

0.68 ± 0.48

0.47 ± 0.41

0.68 ± 0.41

5 KG

0.51 ± 0.56

0.48 ± 0.3*

1.05 ± 0.72

0.52 ± 0.52

0.81 ± 0.45*

1.12 ± 0.87

10 KG

0.61 ± 0.58

0.66 ± 0.56

0.95 ± 0.54

0.63 ± 0.57

0.62 ± 0.33

1.31 ± 0.97

L4/5

0 KG

0.57 ± 0.39

0.44 ± 0.44

1.12 ± 1.12

0.59 ± 0.41

0.57 ± 0.26

0.73 ± 0.62

5 KG

0.45 ± 0.29

0.9 ± 0.82

0.63 ± 0.43

0.56 ± 0.48

0.45 ± 0.27

1.15 ± 0.89

10 KG

0.45 ± 0.26

0.85 ± 0.88

0.81 ± 0.68

0.4 ± 0.27

0.91 ± 0.79

1.1 ± 0.66

L5/S

0 KG

0.51 ± 0.3

1.12 ± 0.72

1.24 ± 0.71

0.52 ± 0.36

0.84 ± 1.06

1.6 ± 0.97

5 KG

0.72 ± 0.54

1.08 ± 0.53

0.43 ± 0.27

0.76 ± 0.52

1.1 ± 0.74

0.54 ± 0.42

10 KG

1.11 ± 0.88

0.73 ± 1

1.05 ± 0.95

1.08 ± 0.86

1 ± 0.98

0.76 ± 0.53

  1. #Significant difference between negative recombination at the same level
  2. *Significant difference between left and right translation range at the same level
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X